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💬 문제
[코딩테스트 연습 - 두 개 뽑아서 더하기](https://school.programmers.co.kr/learn/courses/30/lessons/68644)
💬 풀이
func solution(numbers:[Int]) -> [Int] {
var result: Set<Int> = []
for (index, number) in numbers.enumerated() {
for j in 0..<numbers.count {
if j != index {
result.insert(number + numbers[j])
}
}
}
return result.map({ Int($0) }).sorted()
}